51265780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 110496960

約数和(自身を除く): 59231180

約数列:

[1, 2, 4, 5, 10, 20, 83, 89, 166, 178, 332, 347, 356, 415, 445, 694, 830, 890, 1388, 1660, 1735, 1780, 3470, 6940, 7387, 14774, 28801, 29548, 30883, 36935, 57602, 61766, 73870, 115204, 123532, 144005, 147740, 154415, 288010, 308830, 576020, 617660, 2563289, 5126578, 10253156, 12816445, 25632890, 51265780]

約数ペア:

[(1, 51265780), (2, 25632890), (4, 12816445), (5, 10253156), (10, 5126578), (20, 2563289), (83, 617660), (89, 576020), (166, 308830), (178, 288010), (332, 154415), (347, 147740), (356, 144005), (415, 123532), (445, 115204), (694, 73870), (830, 61766), (890, 57602), (1388, 36935), (1660, 30883), (1735, 29548), (1780, 28801), (3470, 14774), (6940, 7387)]